Description
Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 – < 16.0.5561.1001 | 16.0.5561.1001 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 – < 16.0.10417.20175 | 16.0.10417.20175 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 – < 16.0.19725.20434 | 16.0.19725.20434 |
Advisories 3
- WID-SEC-2026-2317 Microsoft Office Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 12, 2026
- NCSC-2026-0237 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Jul 21, 2026
- MSRC-CVE-2026-56157 Microsoft SharePoint Server Spoofing Vulnerability Microsoft Security Response Center · Jul 14, 2026
References
- Microsoft SharePoint Server Spoofing Vulnerability vendor-advisory patch